Will of Sarah Janson, Spinster of Galphay near Ripon , Yorkshire 02 October 1839 PROB 11/1917 

Will of Jan Janson, Seaman of Saint Ann's Limehouse , Middlesex 08 July 1800 PROB 11/1345 

Will of John Janson or Jenson, Ale House Keeper of Little Morefields Cripplegate , City of London 29 March 1836 PROB 11/1859 

Will of Richard Janson, Gentleman of Tottenham , Middlesex 03 September 1830 PROB 11/1776 

Will of Brian Janson of London 13 December 1634 PROB 11/166 

Will of William Janson, Serving as A B on board His Majesty's Ship Bucephalus No on Ships Books 324 14 December 1813 PROB 11/1550 

Will of James Janson of Darlington , Durham 02 December 1820 PROB 11/1637 

Will of Nicholas Janson, Clerk of Kelham, Nottinghamshire 27 March 1658 PROB 11/274 

Will of Henry otherwise Hendrik Janson, Hair Merchant of No 17 Kirby Street Hatton Garden , Middlesex 05 October 1829 PROB 11/1761 

Will of Leonard Janson or J'anson, Tailor of Spitalfields , Middlesex 02 October 1829 PROB 11/1761